There ______ a newspaper in the living room.
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______ there any books in the room? Yes, there ______ .
There ______ a pencil, a ruler and two books on the desk.
There ______ two glasses and a cup on the table.
以下属于征信国际标准的有( )。
A. 邓白氏编码
B. 益佰利信息安全管理规范
C. 信息安全国际系列标准(ISO/IEC)
D. Metro2标准